Feature: 【Smooth & Doesn't Hurt The Line】The space beans are made of durable plastic and no burrs around the hole. It ensures the smoothness of the hole and effectively avoids the damage caused by friction on the fishing line during use. 【Reduce Fishing Line Tangles】 Built-in swivel device to minimize fishing line tangling. Let the line stay in the water longer and make you get more fish. 【Throwing Accurately】The fishing line sinker slides hook shank clip connector made of durable high strength metal could carry more tension and offer accurate location when casting lines deep in water. 【Widely Use】 Available in three different colors and sizes, meet your different needs in fishing. Suitable for both saltwater and freshwater fishing.   Package includes: 50pcs swivels